Android: Add Size class.

webrtc/base/java/src/org/webrtc/Size.java

Index: webrtc/base/java/src/org/webrtc/Size.java
diff --git a/webrtc/base/java/src/org/webrtc/Size.java b/webrtc/base/java/src/org/webrtc/Size.java
new file mode 100644
index 0000000000000000000000000000000000000000..a711b5d2cadd3a8d7ce33ce813103d14ff160873
--- /dev/null
+++ b/webrtc/base/java/src/org/webrtc/Size.java
@@ -0,0 +1,45 @@
+/*
+ *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Class for representing size of an object. Very similar to android.util.Size but available on all
+ * devices.
+ */
+public class Size {
+  public int width;
+  public int height;
+
+  public Size(int width, int height) {
+    this.width = width;
+    this.height = height;
+  }
+
+  @Override
+  public String toString() {
+    return width + "x" + height;
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (!(other instanceof Size)) {
+      return false;
+    }
+    final Size otherSize = (Size) other;
+    return width == otherSize.width && height == otherSize.height;
+  }
+
+  @Override
+  public int hashCode() {
+    // Use prime close to 2^16 to avoid collisions for normal values less than 2^16.
+    return 1 + 65537 * width + height;
+  }
+}